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Which general term is correct for the sequence (1,15,65,259,\ldots)?
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Answer and explanation
Correct answer: (a_n=4^n+2n-5)
(4^n+2n-5) gives (1,15,65,259). In exams also check constant subtraction in power-based rules.
Frequently asked questions
What is the correct answer to this question?
(a_n=4^n+2n-5)
Why is this the correct answer?
(4^n+2n-5) gives (1,15,65,259). In exams also check constant subtraction in power-based rules.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Sequences and Progressions. Topic: Explicit or general rule.
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